<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>背景滤镜</title>


    <style>
        .bg {
            height: 300px;
            width: 600px;
            background: url('./windows/banner02@2x.png') ;
            /* filter: drop-shadow(8px 8px 10px red); */
        }

        .bg-inner{
            /* background-color: #00000014; */
            width: 100%;
            height: 100%;

        }

        .tag{
            background-color: #215FCB12;
            color: #215FCB;
            padding: 2px 8px;
            font-size: 12px;
            border-radius: 2px;
        }


    </style>

</head>

<body>
    <div class="bg" >
        <div class="bg-inner"></div>
    </div>


</body>

</html>